FirstBike lowering kit
thingiverse
FirstBike Lowering Kit. If kids' feet can't reach the ground on a bike, this kit takes it lower so they can start riding sooner. I created this because the original FirstBike lowering kit broke down quickly. To install it, you'll need 2 M8x16 bolts, washers, and loc-nuts just like those in the original FirstBike set. The design could be simplified to eliminate these requirements. For printing, I used 30% infill with support on a 5-wall structure made of 2mm-thick material at 0.4 nozzle width with 10 layers at 0.2 layer height.
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